DJI Agras T100 OEM Small Auger (BC.AG.SS001074)

DJI Agras T100 OEM Small Auger (BC.AG.SS001074) — This is the small auger that feeds granular material through the spreading system on the DJI Agras T100 — mounted in the spreading auger and boom assembly, doing the work of feeding granular material from the spread tank to the spinner at a controlled rate. A worn auger stops metering accurately, and spread rate accuracy is the product you sell. You feel this part's condition every working day, whether you think about it or not. DJI material number BC.AG.SS001074. Small Auger | Spreading System Electronics | DJI Agras T100 Replacement Module | Field-Ready OEM Replacement Component.

DJI Material Number (SKU): BC.AG.SS001074 — this is the official DJI part number for this exact component. Match it to your parts diagram or your old part's label to confirm fitment before ordering.

🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras reseller supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.

FREE & FAST Shipping is included for all U.S. customers.

We understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.

✅ DJI Agras T100 / T70P Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• DJI material number BC.AG.SS001074 — listed verbatim on the official DJI Agras T100 parts breakdown
• Supplier-listed fitment: DJI Agras T100 / T70P
• Brand new condition — never installed, never flown

📦 Package Includes

• 1 × OEM Small Auger (BC.AG.SS001074)
• OEM protective packaging

🔧 Component Overview

The DJI Agras T100 OEM Small Auger is the OEM small auger fitted to the spreading auger and boom assembly of the DJI Agras T100, responsible for feeding granular material from the spread tank to the spinner at a controlled rate.

Feeding granular material from the spread tank to the spinner at a controlled rate is the job description for the spreading auger and boom assembly, and this module is part of how it gets done. The T100 is a working machine — it earns its keep in fill-and-fly cycles, not hangar hours — and every component in the spreading auger and boom assembly is sized, shaped, and specified around that duty.

Ignore a failing small auger and the bill compounds: downtime in the middle of an application window, collateral wear on the parts around it, and jobs that slip to a competitor while the aircraft sits. Replacing it costs a part; not replacing it costs acres. That trade only runs one direction.

For professional farmers, aerial applicators, and commercial drone operators, this module is how the spreading auger and boom assembly stays field-ready instead of becoming the reason the aircraft sits.

This is a working part on a working aircraft.

The small auger handles:

• Performing its designed role within the spreading auger and boom assembly every second the aircraft operates
• Interfacing with the surrounding spreading system components exactly as the factory architecture intends
• Maintaining stable operation across the full temperature range of a working day
• Surviving the vibration environment of a heavy-lift multirotor at working power
• Reporting its status to the flight system so faults surface as errors, not surprises
• Holding calibration and performance over a full season of duty
• Sealing its electronics against spray drift, dust, and washdown exposure
• Restoring factory behavior the moment a worn unit is swapped out

The T100 works brutally hard for its living, including:

• Feeding granular material from the spread tank to the spinner at a controlled rate
• Dawn-to-dusk spray campaigns during narrow application windows
• Repeated fill-fly-return cycles with minutes on the ground between loads
• Full-payload takeoffs from field edges, dozens of times per day
• Chemical exposure from fungicides, herbicides, insecticides, and foliar fertilizers
• Pressure-washer rinse-downs at the end of every spray day
• Vibration from eight propulsion motors running at working power
• Transport bouncing on trailers and truck beds between fields
• Temperature swings from cold morning starts to full-sun afternoons

What attacks this module in the field:

• Continuous vibration transmitted from the propulsion system
• Thermal cycling from cold starts to full-load afternoons
• Moisture ingress pressure from spray drift and washdowns
• Chemical-laden dust settling on housings and connectors
• Voltage transients during battery hot-swaps
• Connector fretting from repeated maintenance access
• UV exposure degrading housings over seasons
• Shock loads from firm landings on rough ground

That duty cycle is exactly what retires this module. None of these stresses is dramatic on its own — the accumulation is what does it. This is why spreading system modules are inspection items every time the spreading auger and boom assembly is opened up, and why operators who run hard keep spares on the shelf.

A healthy small auger delivers:

• Factory-correct fit in the spreading auger and boom assembly — no modification, no adaptation
• Exact OEM behavior the surrounding components were engineered around
• Restored performance you can verify on the first post-repair flight
• Sealing and protection maintained to the factory standard
• One less known-weak point flying through your application window
• Confidence that the repair is done, not patched
• A maintenance log entry with a real DJI part number behind it
• Full compatibility with the parts around it — because it is the part the diagram calls for

Stock the small auger before the season does its work, and the spreading auger and boom assembly never becomes the reason the aircraft sits.

Confirm the auger before you order one, because a short application rate has several possible causes and only one of them is this screw. Set the aircraft up safely with the tank holding a known weight of the product you actually apply, command a fixed dispense at a mid range rate with a clean container catching the discharge, and weigh what comes out. A healthy auger delivers close to what the system commanded. A worn one comes up short, and it comes up short by about the same amount every time you repeat the test.

Repeat the catch test at a low rate and again at a high rate, because the shape of the error is what identifies the fault. A worn screw loses material backward past its flight edges, and that slip does not shrink just because you asked for less, so it eats a far larger share of a small delivery than of a large one. An auger that is roughly right at high rate and clearly short at low rate is worn. An error that stays the same percentage at every rate points at calibration or at the product density setting instead.

Get the screw out and look at the flight edges in good light. A serviceable auger has a defined outer edge on the flight all the way along. A worn one has that edge rounded off, often with a polished band where it has been touching the tube, and the wear is usually worst over the section that sits under the tank outlet where the standing weight of material is highest. Compare it against the new part when it arrives. Side by side the difference is obvious; on its own it is almost invisible.

Separate steady under delivery from surging, because they are different faults with different fixes. Delivery that is short but repeatable to the same figure is flight wear letting product slip back. Delivery that arrives in pulses, showing on the ground as striping along the flight line, is more often material bridging in the tank and then avalanching, or a partial obstruction in the path, than a worn screw. Watch the discharge fill a whole container before you decide which one you are looking at.

Rule out everything upstream of the auger first, because it costs nothing and it is frequently the answer. Check that the tank outlet is fully open and not partly bridged with caked product, that the material is flowing freely rather than arching above the outlet, and that nothing was left in the tube from the previous job. An auger cannot meter what is not reaching it, and a bridged tank produces the same short rate as a worn screw while needing nothing more than a clean out.

Check for the specific damage a foreign object leaves behind. A stone, a set lump of fertilizer, or a piece of bag that went down with a load can bend a flight, tear its outer edge, or push the whole screw off straight. Roll the auger on a flat bench and watch the flight edge for a wobble as it turns, then run a hand down the flights feeling for one that stands proud or sits closer to its neighbor than the rest. Local damage like that will not calibrate out and will not improve.

⚙️ Functional Purpose

The small auger is designed to do one job in the spreading auger and boom assembly and do it to specification: feeding granular material from the spread tank to the spinner at a controlled rate.

The module:

• Serves the spreading auger and boom assembly of the DJI Agras T100 exactly as the factory intends
• Supports feeding granular material from the spread tank to the spinner at a controlled rate
• Maintains the tolerances and interfaces the surrounding parts depend on
• Withstands the chemical, vibration, and washdown environment of agricultural work
• Preserves the sealing and protection strategy of the platform
• Keeps failure modes visible and diagnosable instead of mysterious
• Restores factory behavior immediately upon correct installation
• Protects the more expensive components it works alongside
• Carries the exact DJI specification for its position
• Supports safe, predictable operation under full payload
• Eliminates the guesswork of near-fit substitutes
• Keeps the aircraft inside its designed maintenance program
• Holds up across a full season of professional duty

Function on the T100 is a chain: spreading system performance depends on the spreading auger and boom assembly, and the spreading auger and boom assembly depends on every part in it holding specification. This module is one link in that chain — and chains fail at the worn link, not the average one.

That is why the platform's maintenance philosophy is inspection and renewal, not run-to-failure. The operators with the best uptime records are not the ones with the newest aircraft — they are the ones who replace parts like this when inspection says so, on their own schedule instead of the failure's.

A failing small auger costs you:

• Downtime in the middle of an application window — the most expensive hours in agriculture
• Acres not covered while the aircraft waits on a part
• Collateral wear on the components around the failing one
• Diagnostic hours chasing symptoms instead of causes
• Rework when a temporary fix lets go mid-job
• Customer trust when scheduled work slips
• Higher repair bills the longer the fault runs
• Risk exposure every flight the fault remains aboard
• Resale value on an airframe with deferred maintenance

Fix it on your schedule, not the failure's.

Make the auger safe before your hands go anywhere near it. This is a screw conveyor and it will not stop for a finger. Disconnect the aircraft batteries, satisfy yourself that the spreading system cannot be commanded, and then confirm it a second time before you reach into the tube or the tank outlet. Nearly every serious injury on a spreader comes from somebody assuming a machine that appeared to be off could not turn.

Empty and wash out before you take anything apart. Run the tank down, flush the tank and the auger tube with water until it runs clear, and let it drain. Dragging an auger out through a tube packed with damp fertilizer pushes the product straight into the bushing and any seal at the shaft exit, and it leaves the flight edges coated so you cannot see the wear you pulled the screw to inspect.

Photograph the installation while the auger is still in place. Record which end carries the drive, how the screw is retained and coupled, which way the flight winds, and what sits at each end in the way of a bushing, spacer, or washer. The screw has to turn in the direction that conveys material toward the discharge, so a replacement fitted end for end will run perfectly happily and move product the wrong way.

Withdraw the auger straight along the tube instead of tipping it out. Support the outboard end as it comes free so the weight of the screw is never hanging on the drive coupling or dragging sideways across the bushing you may be about to reuse. If it does not come out easily, stop and find what is holding it rather than pulling harder. A flight bent during removal is a replacement part spent for nothing.

Keep whatever comes off the auger in the order it came off, and inspect the tube bore while it is empty and you can see into it. This is the only time you get that view. Look for a bright arc down one side, for scoring, and for hardened product built up on the wall, and clean the bore out before the new screw goes near it. A new auger sliding into a tube lined with set fertilizer starts its life fighting drag it was never designed to see.

Refit the new auger without forcing anything. Enter it straight, turn it gently as it goes so the flight follows the tube, and let it find the support at the far end rather than levering it across. Once it is home, engage the drive coupling and check it is fully seated rather than resting on an edge, then turn the screw by hand through several complete revolutions. It should turn evenly, with no point where it binds, catches, or suddenly goes tight.

Verify in two stages before the aircraft goes back to work. Run the spreading system dry with an empty tank first and listen for contact or a catch that the hand turn did not reveal. Then run a catch test with product at a mid range rate and compare what came out against what was commanded. Write that number in the maintenance log. It is both your proof the repair worked and the baseline you will compare against the next time you suspect the rate has drifted.

⚠️ Common Replacement Indicators

• Error messages or warnings referencing this system in the app
• Intermittent operation that worsens with temperature or vibration
• Function loss in the system this module serves
• Visible corrosion, moisture, or chemical residue at connectors
• Physical damage to the housing after an impact
• Erratic readings or behavior the aircraft cannot self-clear
• Failures that appear under load but pass on the bench
• Burnt smell or discoloration at the module
• Repeated faults after connector reseating
• Function dropouts during arm fold or unfold
• Behavior that started after a hard landing or transport
• Age and hours — electronics in this environment are not lifetime parts

What kills spreading system modules: the compounding of ordinary duty. Chemical exposure attacks materials, vibration works at every interface, UV ages every exposed surface, and washdowns drive water at every seam — repeated across hundreds of cycles per season. Add the occasional hard landing or transport knock and the result is predictable: the part that was fine in spring is the failure point by late season.

Replacement and verification: Replacement is a standard shop task on the T100: open access to the spreading auger and boom assembly, document connections and hardware positions, swap the small auger for the OEM unit, and reassemble with attention to seating, routing, and torque. Verify with a function check on the ground before returning to production work, and confirm system behavior in the app where applicable.

Confirm before you order: this is DJI part BC.AG.SS001074. Check the label on your old small auger or the position in your official parts diagram and match the number — revision suffixes like .01 or .F on a label are the same part.

Fields finishing short against the plan, with a tank of product lasting longer than the acres covered say it should. This is the classic signature of a worn auger, and because it arrives gradually, operators commonly blame the prescription, the product, or the weather for a full season before anyone checks the screw. The tell is that the shortfall is consistent across fields and products rather than tied to one job.

A rate error that gets proportionally worse the lower the rate you set. Slip past worn flight edges does not scale down with the command, so it takes a larger share of a small delivery. A machine that is close at high rates and badly short at low ones has lost the flight edge that seals against the tube wall. An error that holds the same percentage at every rate is a calibration or product density problem instead.

Product leaving the system in pulses rather than a steady stream, which shows up on the ground as striping along the flight line. On a worn screw this happens because the flight no longer keeps a consistent column of material moving, so it builds and releases instead of feeding evenly. Confirm it by watching the discharge fill a container, since bridging in the tank produces the same pattern for a different reason.

A rasp, scrape, or metallic contact sound that rises and falls with auger speed. That is the flight touching the tube, which means either the screw is bent or the support holding it concentric has worn out. Either way it is a stop and inspect item, because contact is removing material from both parts on every revolution, and the tube is the more expensive half of that pair.

Overload, stall, or repeated fault trips from the auger drive, especially in the first seconds of a run. A bent flight, a foreign object trapped in the tube, or product that has set hard around a stationary screw all produce this. Commanding the drive harder to push through it is how a bent flight becomes a broken one, so isolate the machine and find the obstruction by hand instead.

Product still sitting in the tube at the end of a run that should have cleared it, or a screw that has to be hand cleared before the next load will feed. An auger that no longer sweeps the tube properly leaves material behind, and that leftover is exactly what sets overnight and jams the system the following morning. It is also the reason a fault that looks like a jam is really a wear symptom.

📐 Specifications

DJI Material Number: BC.AG.SS001074

Part: Small Auger

Type: OEM electronic module / assembly

Compatibility:

• DJI Agras T100 / T70P
• Position: the spreading auger and boom assembly
• Diagram sheet: Boom Assembly (official T100 parts list)

Quantity: 1

Installation Area: The spreading auger and boom assembly

Function: Feeding granular material from the spread tank to the spinner at a controlled rate

Construction: DJI OEM electronic assembly built to factory specification for the T100 platform

Application: DJI Agras T100 spreading system service and repair

Condition: Brand new

Part Function: Meters granular material from the spread tank along the auger tube to the spinner, setting delivery through the volume the flight moves per revolution

Position In The Feed Path: Small auger position in the spreading auger and boom assembly, on the Boom Assembly sheet of the official DJI Agras T100 parts list

Length, Diameter And Flight Pitch: Not published by DJI. The spreading system carries more than one auger, so compare overall length, screw diameter, flight pitch, and the drive end detail against the screw you removed rather than ordering on appearance

Material And Surface Finish: Not published by DJI. Order by material number. A screw that matches on dimensions but not on material or finish will wear at a different rate and will not hold metering accuracy the same way

Rotation And Orientation: Set by the installed position, since the flight has to convey toward the discharge. Record which end carries the drive before removal and fit the replacement the same way round

Wear Group To Inspect Together: Small auger, small auger bushing, and the auger tube bore. A new screw fitted into a worn bushing runs off center and wears its flight edges the same way the old one did

🚜 Necessary For

Built for:

• Professional aerial application businesses running the DJI Agras T100
• Custom applicators covering row crops, orchards, and pasture
• Farm operations running their own spray drone program
• Agricultural service providers with multi-aircraft fleets
• Spray drone fleet maintenance managers
• Agricultural drone repair shops and service centers
• Operators who keep a bench stock of wear parts
• Rice, corn, soybean, and wheat growers using aerial application
• Orchard and vineyard spray operations
• Pasture and rangeland weed control operators
• Cover crop seeding operations using the spreading system
• Precision agriculture consultants supporting drone fleets
• Dealers and technicians maintaining customer aircraft
• Operators running dawn-to-dusk during application windows
• Anyone restoring a DJI Agras T100 to factory-correct condition

Especially valuable during:

• Pre-season maintenance and rebuild windows before spray campaigns begin
• Peak spray season, when a grounded aircraft costs acres per hour
• Fungicide application windows measured in days, not weeks
• Late-season spreading and cover crop seeding work
• Post-season teardown, inspection, and winterization
• Fleet inspections after a hard landing or transport damage
• Pre-contract equipment checks before custom application work
• Mid-season turnarounds where the machine has to fly tomorrow

If the DJI Agras T100 earns its keep on your operation, this module belongs on your parts shelf before it belongs on your aircraft. The time to buy it is before the season, not during the failure.

Restoring metering accuracy after a catch test shows the aircraft delivering less than it is commanding, so applied rate matches the prescription again instead of quietly running under it across every acre. This is the repair that pays for itself fastest, because under application costs yield and re treatment rather than parts, and it does so on every field until the screw is changed.

Returning a machine to variable rate and prescription spreading, where the value of the entire job rests on the auger delivering what the map asks for at the low end of the rate range as well as the high end. A worn screw is least accurate exactly where prescription work depends on it most, so the acres that were supposed to receive the least are the ones that come up shortest.

Repairing a spreading system after a foreign object or a set mass of fertilizer bent or tore a flight, where no amount of rate trimming will bring the screw back to metering correctly. Physical damage to a flight changes the volume it sweeps in a way that no calibration figure compensates for, and it usually leaves the delivery uneven as well as short.

Completing a pre season spreading rebuild, renewing the screw while the assembly is already open and the aircraft is not needed, instead of during the week the fertilizer has to be on the ground. Bench time in the off season is the cheapest this part will ever be, and it is the only point in the year when a catch test can be run without costing an application window.

Bringing a used or newly acquired T100 spreading system back to a known baseline, on a machine where nobody can tell you how many tons of product have already gone through the auger. A new screw plus a recorded catch test gives you a starting number you can trust, which is what every later comparison has to be measured against.

💡 Why This Part Matters

Every acre the T100 covers depends on the spreading auger and boom assembly doing its job — and the spreading auger and boom assembly depends on parts exactly like this one.

The economics are simple. The DJI Agras T100 exists to cover ground during windows that do not wait — and every hour it sits, the work either doesn't happen or happens on someone else's schedule. A failed small auger is rarely expensive because of what the part costs; it is expensive because of when it fails. Parts fail during use, and use happens during the season.

That is the case for OEM and the case for stocking ahead. The OEM module fits the first time, behaves the way the platform expects, and carries the exact specification the spreading system was engineered around — DJI material number BC.AG.SS001074. No adaptation, no surprises, no second teardown to undo a near-fit part.

This module delivers:

• Factory-correct fit in the spreading auger and boom assembly — no modification, no adaptation
• Exact OEM behavior the surrounding components were engineered around
• Restored performance you can verify on the first post-repair flight
• Sealing and protection maintained to the factory standard
• One less known-weak point flying through your application window
• Confidence that the repair is done, not patched
• A maintenance log entry with a real DJI part number behind it
• Full compatibility with the parts around it — because it is the part the diagram calls for

Running a compromised small auger, operators risk:

• Mid-job failure during an application window
• Collateral damage to surrounding components
• Chasing intermittent symptoms across the whole system
• Alignment and fit problems spreading to adjacent parts
• Unplanned grounding with the fleet committed to jobs
• Warranty and service complications from improvised fixes
• Higher lifetime cost from deferred maintenance
• An aircraft that cannot be trusted at full payload

Diagnose it fast. Swap it clean. Verify it flying. Keep the acres moving.

Ares Acres stocks the small auger in the USA with free, fast shipping — so the day you need one is the day it ships, not the week you wait.

Abrasive wear is what retires this part, and it is the quietest failure in the whole spreading system. Granular fertilizer is hard, and every load drags it along the flight edges and the tube wall. Nothing breaks, nothing throws a fault, and the aircraft keeps reporting that everything is normal. The screw simply gets slightly smaller with every load, moves slightly less per revolution, and puts slightly less on the ground.

That is why a catch test earns its keep, and why the number is worth writing down rather than just reading. It costs a container, a scale, and a few minutes, and it is the only thing that tells you the truth about what actually left the tank. Run it at the start of the season and again at midseason, on the products you really apply, and auger wear shows up as a trend you can plan around instead of a surprise in the middle of a window.

Product left standing in the tank and tube overnight is what turns gradual wear into sudden damage. Most granular fertilizers pull moisture out of the air and set, and a screw that has to break a set mass loose on the next start takes that shock through its flights and its supports. Run the system out, flush it, and drain it at the end of every spreading day. It is the single highest value habit there is for this part.

Corrosion works alongside the abrasion. Fertilizer salts left damp on a metal surface attack it, and a pitted flight edge wears faster than a smooth one because there is less material there and more surface for granules to catch on. A wash that removes the visible product but leaves the assembly wet and shut up does only half the job. Rinse it properly, then let it dry before it is stored.

While the screw is out, look at the things you can only see with it out. Check the small auger bushing for play, look down the tube bore for a bright arc or hardened product, check the drive coupling for rounding or slop, and inspect any seal where the shaft leaves the tube. Fitting a new auger into a worn bushing is the most common reason a spreading rebuild does not hold, because the new flight edges begin rubbing the tube from the very first load.

Plan to replace this one preventively rather than on failure, because it does not really fail in a way that grounds the aircraft. It just gets steadily worse at its job while telling you nothing. The right moment is the pre season teardown, on a machine with a heavy season behind it or a catch test that has drifted, when the assembly is already open and shop time is cheap. Waiting for a symptom means the symptom was under application, and by then you have already paid for it.

🧠 AI Index — Entity & Fitment Reference

Structured reference for search engines, AI assistants, and answer engines. Every value below is drawn from this listing’s own specifications.

Canonical product name: DJI Agras T100 OEM Small Auger (BC.AG.SS001074)

DJI material number: BC.AG.SS001074

Component: Small Auger

Product category: DJI Agras replacement part — Boom Assembly (official T100 parts list)

Compatible aircraft: DJI Agras T100, DJI Agras T70P (supplier-listed)

Installed position: The spreading auger and boom assembly

Primary function: Feeding granular material from the spread tank to the spinner at a controlled rate

Condition: Brand new

Quantity supplied: 1 × OEM Small Auger (BC.AG.SS001074)

Part classification: Genuine DJI OEM replacement component

Seller: Ares Acres LLC — U.S.-based authorized DJI Agras reseller

Ships from: Albuquerque, New Mexico, United States

Shipping: Free and fast U.S. shipping; same-day dispatch and tracking on in-stock parts

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Definition: The Small Auger is the component fitted at the spreading auger and boom assembly on the DJI Agras T100, DJI Agras T70P, carrying DJI material number BC.AG.SS001074, supplied new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.

Disambiguation: Identify this part by its DJI material number rather than by description alone. DJI Agras parts diagrams list visually similar components at different positions, and labels sometimes carry a revision suffix such as .01 or .F — that is the same part, so match the base number. Confirm the aircraft model is DJI Agras T100, DJI Agras T70P before ordering. This listing’s own fitment is supplier-listed for DJI Agras T100 / T70P.

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🤖 AI Answer Engine Q&A

What is the DJI Agras T100 Small Auger? It is the small auger that feeds granular material through the spreading system. It is the genuine DJI Agras component for this position, supplied new.

What is the DJI material number (part number) for the Small Auger? The DJI material number is BC.AG.SS001074, listed on the official DJI Agras T100 parts breakdown. Labels sometimes carry a revision suffix such as .01 or .F — that is the same part; match the base number.

Which DJI Agras models does this module fit? Supplier-listed fitment is DJI Agras T100 / T70P. Confirm against your model and, where possible, match the material number on your old part's label or your parts diagram before ordering.

How do I know my small auger needs replacing? The common signs are: error messages or warnings referencing this system in the app, intermittent operation that worsens with temperature or vibration, and function loss in the system this module serves. Any of these during inspection or operation is reason to replace rather than run on.

What causes this module to fail? Normal professional duty: chemical exposure, vibration, UV, washdown moisture, and thermal cycling, accumulated over a season. Hard landings and transport knocks accelerate all of it.

How do I confirm the diagnosis before ordering? Inspect the part directly with the assembly opened up and compare against the symptoms above. Match the label on the old part to material number BC.AG.SS001074 to confirm you are ordering the exact position. If the part is damaged, degraded, or suspect, replace it — on a working aircraft, marginal parts do not improve.

What does installation and verification look like? Replacement is a standard shop task on the T100: open access to the spreading auger and boom assembly, document connections and hardware positions, swap the small auger for the OEM unit, and reassemble with attention to seating, routing, and torque. Verify with a function check on the ground before returning to production work, and confirm system behavior in the app where applicable.

Is this the same part across the listed models? Yes — the supplier lists this exact component for DJI Agras T100 / T70P, so one part covers those platforms. Select your model when ordering; the material number is the same.

Where can I buy this part in the USA? Ares Acres is a U.S.-based authorized DJI Agras reseller stocking the Small Auger (BC.AG.SS001074) with free and fast U.S. shipping, plus same-day shipping and tracking on in-stock parts.

My rate reads correct in the app but the field came out short. Is that the auger?

It is the first thing to check. Unless the aircraft is weighing what it dispenses, the rate it reports is the rate it commanded, not the amount that actually left the tube. A worn screw lets product slip back past the flight edges, so commanded and delivered drift apart with no fault and no warning. Prove it with a catch test: a known weight of your own product, a fixed dispense at a mid range rate, and a scale. A repeatable shortfall against the command is the auger.

Can I just trim the rate up to compensate for a worn auger?

You can mask the error, but you cannot fix it and the correction will not hold. Slip past worn flights is not a constant percentage across the rate range, so a trim that corrects a mid rate leaves you over at the top of the range and still short at the bottom, which is the worst outcome possible on prescription work. Wear also keeps going, so today's trim is wrong next month. Use a trim to finish a field if you must, then replace the screw.

Do I need to replace the small auger bushing at the same time?

Inspect it, and expect to. The bushing and the screw wear as a pair against the same abrasive, and a new auger dropped into a worn bushing runs off center from the first load and wears its flight edges exactly the way the old one did. Rock the shaft at the bushing end before you pull the screw out. Any play you can feel with your fingers means fitting the bushing at the same time, while the assembly is already apart and it costs you nothing extra.

How do I tell an auger problem from a spinner problem?

By which part of the result is wrong. The auger sets how much material leaves the tank; the spinner sets where it lands. Uniform under application with a normal looking pattern is a metering fault, which is the auger. A pattern skewed to one side or uneven across the width while the tank empties at the expected rate is a distribution fault, which is the spinner and its drive. A catch test separates them, because it measures quantity with the pattern taken out of the picture.

Fertilizer set hard in the tank overnight and the auger jammed. Is the screw damaged?

Possibly, and it deserves an inspection rather than another press of the button. Forcing a drive against a set mass is how a flight gets bent or torn and how a coupling gets rounded off. Isolate the machine, break the mass out by hand, get the screw onto a bench, and roll it on a flat surface watching the flight edge for wobble. Then look along the flights for one standing proud of the others. Bent flights do not calibrate out.

Is the small auger the same part as the larger auger in the system?

No, and those two are the most commonly confused pair on this assembly. Order by material number: this is the small auger, BC.AG.SS001074, from the Boom Assembly sheet of the official T100 parts list. On the bench, compare overall length, screw diameter, flight pitch, and the drive end detail against the part you removed. A screw that is close but not correct will fit somewhere and meter wrongly everywhere.

How do I confirm the new auger actually fixed the rate?

Run the same catch test you used to diagnose it, with the same product, the same commanded rates, and the same scale, then compare against the figures you recorded before. Delivery should now sit close to commanded across the range, and the low rate figure in particular should come back into line, because that is where a worn screw loses the most. Keep both sets of numbers in the maintenance log; they become the baseline for the next check.